mirror of https://github.com/python/cpython
542 lines
11 KiB
ReStructuredText
542 lines
11 KiB
ReStructuredText
.. bpo: 33136
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.. date: 2018-03-25-12-05-43
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.. nonce: TzSN4x
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.. release date: 2018-03-29
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.. section: Security
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Harden ssl module against LibreSSL CVE-2018-8970.
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X509_VERIFY_PARAM_set1_host() is called with an explicit namelen. A new test
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ensures that NULL bytes are not allowed.
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..
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.. bpo: 33001
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.. date: 2018-03-05-10-09-51
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.. nonce: elj4Aa
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.. section: Security
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Minimal fix to prevent buffer overrun in os.symlink on Windows
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..
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.. bpo: 32981
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.. date: 2018-03-02-10-24-52
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.. nonce: O_qDyj
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.. section: Security
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Regexes in difflib and poplib were vulnerable to catastrophic backtracking.
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These regexes formed potential DOS vectors (REDOS). They have been
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refactored. This resolves CVE-2018-1060 and CVE-2018-1061. Patch by Jamie
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Davis.
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..
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.. bpo: 33053
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.. date: 2018-03-25-19-49-06
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.. nonce: V3xlsH
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.. section: Core and Builtins
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When using the -m switch, sys.path[0] is now explicitly expanded as the
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*starting* working directory, rather than being left as the empty path
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(which allows imports from the current working directory at the time of the
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import)
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..
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.. bpo: 33018
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.. date: 2018-03-22-23-09-06
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.. nonce: 0ncEJV
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.. section: Core and Builtins
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Improve consistency of errors raised by ``issubclass()`` when called with a
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non-class and an abstract base class as the first and second arguments,
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respectively. Patch by Josh Bronson.
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..
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.. bpo: 33041
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.. date: 2018-03-18-13-56-14
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.. nonce: XwPhI2
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.. section: Core and Builtins
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Fixed jumping when the function contains an ``async for`` loop.
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..
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.. bpo: 33026
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.. date: 2018-03-08-09-48-38
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.. nonce: QZA3Ba
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.. section: Core and Builtins
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Fixed jumping out of "with" block by setting f_lineno.
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..
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.. bpo: 33005
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.. date: 2018-03-06-12-19-19
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.. nonce: LP-V2U
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.. section: Core and Builtins
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Fix a crash on fork when using a custom memory allocator (ex: using
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PYTHONMALLOC env var). _PyGILState_Reinit() and _PyInterpreterState_Enable()
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now use the default RAW memory allocator to allocate a new interpreters
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mutex on fork.
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..
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.. bpo: 17288
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.. date: 2018-02-27-13-36-21
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.. nonce: Gdj24S
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.. section: Core and Builtins
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Prevent jumps from 'return' and 'exception' trace events.
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..
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.. bpo: 32836
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.. date: 2018-02-14-12-35-47
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.. nonce: bThJnx
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.. section: Core and Builtins
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Don't use temporary variables in cases of list/dict/set comprehensions
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..
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.. bpo: 33141
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.. date: 2018-03-26-12-33-13
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.. nonce: 23wlxf
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.. section: Library
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Have Field objects pass through __set_name__ to their default values, if
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they have their own __set_name__.
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..
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.. bpo: 33096
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.. date: 2018-03-25-13-18-16
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.. nonce: ofdbe7
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.. section: Library
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Allow ttk.Treeview.insert to insert iid that has a false boolean value. Note
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iid=0 and iid=False would be same. Patch by Garvit Khatri.
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..
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.. bpo: 32873
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.. date: 2018-03-24-19-54-48
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.. nonce: cHyoAm
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.. section: Library
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Treat type variables and special typing forms as immutable by copy and
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pickle. This fixes several minor issues and inconsistencies, and improves
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backwards compatibility with Python 3.6.
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..
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.. bpo: 33134
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.. date: 2018-03-24-19-34-26
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.. nonce: hbVeIX
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.. section: Library
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When computing dataclass's __hash__, use the lookup table to contain the
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function which returns the __hash__ value. This is an improvement over
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looking up a string, and then testing that string to see what to do.
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..
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.. bpo: 33127
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.. date: 2018-03-24-15-08-24
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.. nonce: olJmHv
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.. section: Library
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The ssl module now compiles with LibreSSL 2.7.1.
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..
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.. bpo: 32505
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.. date: 2018-03-22-16-05-56
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.. nonce: YK1N8v
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.. section: Library
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Raise TypeError if a member variable of a dataclass is of type Field, but
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doesn't have a type annotation.
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..
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.. bpo: 33078
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.. date: 2018-03-21-17-59-39
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.. nonce: PQOniT
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.. section: Library
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Fix the failure on OSX caused by the tests relying on sem_getvalue
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..
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.. bpo: 33116
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.. date: 2018-03-21-16-52-26
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.. nonce: Tvzerj
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.. section: Library
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Add 'Field' to dataclasses.__all__.
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..
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.. bpo: 32896
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.. date: 2018-03-20-20-53-21
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.. nonce: ewW3Ln
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.. section: Library
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Fix an error where subclassing a dataclass with a field that uses a
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default_factory would generate an incorrect class.
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..
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.. bpo: 33100
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.. date: 2018-03-19-20-47-00
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.. nonce: chyIO4
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.. section: Library
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Dataclasses: If a field has a default value that's a MemberDescriptorType,
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then it's from that field being in __slots__, not an actual default value.
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..
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.. bpo: 32953
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.. date: 2018-03-18-17-38-48
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.. nonce: t8WAWN
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.. section: Library
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If a non-dataclass inherits from a frozen dataclass, allow attributes to be
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added to the derived class. Only attributes from the frozen dataclass
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cannot be assigned to. Require all dataclasses in a hierarchy to be either
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all frozen or all non-frozen.
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..
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.. bpo: 33061
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.. date: 2018-03-16-16-07-33
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.. nonce: TRTTek
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.. section: Library
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Add missing ``NoReturn`` to ``__all__`` in typing.py
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..
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.. bpo: 33078
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.. date: 2018-03-15-07-38-00
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.. nonce: RmjUF5
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.. section: Library
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Fix the size handling in multiprocessing.Queue when a pickling error occurs.
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..
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.. bpo: 33064
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.. date: 2018-03-12-19-58-25
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.. nonce: LO2KIY
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.. section: Library
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lib2to3 now properly supports trailing commas after ``*args`` and
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``**kwargs`` in function signatures.
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..
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.. bpo: 33056
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.. date: 2018-03-12-16-40-00
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.. nonce: lNN9Eh
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.. section: Library
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FIX properly close leaking fds in concurrent.futures.ProcessPoolExecutor.
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..
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.. bpo: 33021
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.. date: 2018-03-12-00-27-56
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.. nonce: m19B9T
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.. section: Library
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Release the GIL during fstat() calls, avoiding hang of all threads when
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calling mmap.mmap(), os.urandom(), and random.seed(). Patch by Nir Soffer.
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..
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.. bpo: 31804
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.. date: 2018-03-11-19-03-52
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.. nonce: i8KUMp
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.. section: Library
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Avoid failing in multiprocessing.Process if the standard streams are closed
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or None at exit.
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..
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.. bpo: 33037
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.. date: 2018-03-09-23-07-07
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.. nonce: nAJ3at
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.. section: Library
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Skip sending/receiving data after SSL transport closing.
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..
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.. bpo: 27683
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.. date: 2018-03-07-22-28-17
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.. nonce: 572Rv4
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.. section: Library
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Fix a regression in :mod:`ipaddress` that result of :meth:`hosts` is empty
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when the network is constructed by a tuple containing an integer mask and
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only 1 bit left for addresses.
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..
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.. bpo: 32999
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.. date: 2018-03-06-20-30-20
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.. nonce: lgFXWl
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.. section: Library
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Fix C implementation of ``ABC.__subclasscheck__(cls, subclass)`` crashed when
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``subclass`` is not a type object.
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..
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.. bpo: 33009
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.. date: 2018-03-06-11-54-59
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.. nonce: -Ekysb
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.. section: Library
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Fix inspect.signature() for single-parameter partialmethods.
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..
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.. bpo: 32969
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.. date: 2018-03-06-00-19-41
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.. nonce: rGTKa0
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.. section: Library
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Expose several missing constants in zlib and fix corresponding
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documentation.
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..
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.. bpo: 32056
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.. date: 2018-03-01-17-49-56
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.. nonce: IlpfgE
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.. section: Library
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Improved exceptions raised for invalid number of channels and sample width
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when read an audio file in modules :mod:`!aifc`, :mod:`wave` and
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:mod:`!sunau`.
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..
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.. bpo: 32844
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.. date: 2018-02-28-13-08-00
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.. nonce: u8tnAe
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.. section: Library
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Fix wrong redirection of a low descriptor (0 or 1) to stderr in subprocess
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if another low descriptor is closed.
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..
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.. bpo: 32857
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.. date: 2018-02-16-14-37-14
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.. nonce: -XljAx
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.. section: Library
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In :mod:`tkinter`, ``after_cancel(None)`` now raises a :exc:`ValueError`
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instead of canceling the first scheduled function. Patch by Cheryl Sabella.
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..
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.. bpo: 31639
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.. date: 2017-12-27-21-55-19
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.. nonce: l3avDJ
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.. section: Library
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http.server now exposes a ThreadedHTTPServer class and uses it when the
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module is run with ``-m`` to cope with web browsers pre-opening sockets.
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..
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.. bpo: 27645
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.. date: 2017-10-05-20-41-48
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.. nonce: 1Y_Wag
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.. section: Library
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:class:`sqlite3.Connection` now exposes a
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:class:`~sqlite3.Connection.backup` method, if the underlying SQLite library
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is at version 3.6.11 or higher. Patch by Lele Gaifax.
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..
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.. bpo: 33126
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.. date: 2018-03-28-17-03-17
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.. nonce: 5UGkNv
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.. section: Documentation
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Document PyBuffer_ToContiguous().
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..
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.. bpo: 27212
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.. date: 2018-03-22-19-23-04
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.. nonce: wrE5KR
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.. section: Documentation
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Modify documentation for the :func:`islice` recipe to consume initial values
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up to the start index.
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..
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.. bpo: 28247
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.. date: 2018-03-20-20-11-05
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.. nonce: -V-WS-
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.. section: Documentation
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Update :mod:`zipapp` documentation to describe how to make standalone
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applications.
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..
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.. bpo: 18802
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.. date: 2018-03-11-18-53-47
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.. nonce: JhAqH3
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.. section: Documentation
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Documentation changes for ipaddress. Patch by Jon Foster and Berker Peksag.
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..
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.. bpo: 27428
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.. date: 2018-03-11-00-16-56
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.. nonce: B7A8FT
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.. section: Documentation
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Update documentation to clarify that ``WindowsRegistryFinder`` implements
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``MetaPathFinder``. (Patch by Himanshu Lakhara)
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..
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.. bpo: 32872
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.. date: 2018-03-28-01-35-02
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.. nonce: J5NDUj
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.. section: Tests
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Avoid regrtest compatibility issue with namespace packages.
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..
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.. bpo: 32517
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.. date: 2018-03-09-07-05-12
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.. nonce: ugc1iW
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.. section: Tests
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Fix failing ``test_asyncio`` on macOS 10.12.2+ due to transport of
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``KqueueSelector`` loop was not being closed.
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..
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.. bpo: 19417
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.. date: 2018-01-08-13-33-47
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.. nonce: 2asoXy
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.. section: Tests
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Add test_bdb.py.
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..
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.. bpo: 33163
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.. date: 2018-03-28-04-15-03
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.. nonce: hfpWuU
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.. section: Build
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Upgrade pip to 9.0.3 and setuptools to v39.0.1.
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..
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.. bpo: 33016
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.. date: 2018-03-07-01-33-33
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.. nonce: Z_Med0
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.. section: Windows
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Fix potential use of uninitialized memory in nt._getfinalpathname
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..
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.. bpo: 32903
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.. date: 2018-02-28-11-03-24
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.. nonce: 1SXY4t
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.. section: Windows
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Fix a memory leak in os.chdir() on Windows if the current directory is set
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to a UNC path.
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..
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.. bpo: 32726
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.. date: 2018-03-29-06-56-12
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.. nonce: urS9uX
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.. section: macOS
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Build and link with private copy of Tcl/Tk 8.6 for the macOS 10.6+
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installer. The 10.9+ installer variant already does this. This means that
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the Python 3.7 provided by the python.org macOS installers no longer need or
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use any external versions of Tcl/Tk, either system-provided or
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user-installed, such as ActiveTcl.
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..
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.. bpo: 32984
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.. date: 2018-03-05-01-29-05
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.. nonce: NGjgT4
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.. section: IDLE
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Set ``__file__`` while running a startup file. Like Python, IDLE optionally
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runs one startup file in the Shell window before presenting the first
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interactive input prompt. For IDLE, ``-s`` runs a file named in
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environmental variable :envvar:`IDLESTARTUP` or :envvar:`PYTHONSTARTUP`;
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``-r file`` runs ``file``. Python sets ``__file__`` to the startup file
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name before running the file and unsets it before the first prompt. IDLE
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now does the same when run normally, without the ``-n`` option.
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..
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.. bpo: 32940
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.. date: 2018-02-24-18-20-50
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.. nonce: ZaJ1Rf
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.. section: IDLE
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Simplify and rename StringTranslatePseudoMapping in pyparse.
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..
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.. bpo: 32885
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.. date: 2018-02-20-12-16-47
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.. nonce: dL5x7C
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.. section: Tools/Demos
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Add an ``-n`` flag for ``Tools/scripts/pathfix.py`` to disable automatic
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backup creation (files with ``~`` suffix).
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..
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.. bpo: 33042
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.. date: 2018-03-20-21-43-09
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.. nonce: FPFp64
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.. section: C API
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Embedding applications may once again call PySys_ResetWarnOptions,
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PySys_AddWarnOption, and PySys_AddXOption prior to calling Py_Initialize.
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..
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.. bpo: 32374
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.. date: 2018-01-09-17-03-54
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.. nonce: SwwLoz
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.. section: C API
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Document that m_traverse for multi-phase initialized modules can be called
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with m_state=NULL, and add a sanity check
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